Arm chair



The FIGURE is a side perspective view of an arm chair showing my new design, it being understood that the opposite side is a mirror image thereof, and that the portions or surfaces of the arm chair not shown in the drawing form no part of the claimed design.

The broken line showing of the seat cushion and the base of the chair is for illustrative purposesonly and forms no part of the claimed design. 

The ornamental design for an arm chair, as shown and described. 